block: Simplify the allocation of slab caches

Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20240131094323.146659-1-chentao@kylinos.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-core.c b/block/blk-core.c
index 314c3065891a510b51fd5aa495ce0d83f513655e..2b11d8325fde6868c98af46cf9a39731c396c4c7 100644 (file)
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1232,8 +1232,7 @@ int __init blk_dev_init(void)
        if (!kblockd_workqueue)
                panic("Failed to create kblockd\n");
 
-       blk_requestq_cachep = kmem_cache_create("request_queue",
-                       sizeof(struct request_queue), 0, SLAB_PANIC, NULL);
+       blk_requestq_cachep = KMEM_CACHE(request_queue, SLAB_PANIC);
 
        blk_debugfs_root = debugfs_create_dir("block", NULL);